* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
a {
  text-decoration: none;
  color: #333;
}
ul {
  list-style: none;
}
.w {
  width: 1226px;
  margin: 0 auto;
}
body {
  min-width: 1226px;
}
img {
  width: 100%;
  height: 100%;
}
